Category:Chemical elements
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A chemical element is a substance that cannot be divided or changed into different substances by ordinary chemical methods. The smallest particle of such an element is an atom, which consists of electrons centered around a nucleus of protons and neutrons.
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This category has the following 133 subcategories, out of 133 total.
Pages in category "Chemical elements"
The following 125 pages are in this category, out of 125 total. This list may not reflect recent changes.